2318042 has 8 divisors (see below), whose sum is σ = 3524916. Its totient is φ = 1143072.

The previous prime is 2318039. The next prime is 2318047. The reversal of 2318042 is 2408132.

It can be written as a sum of positive squares in 2 ways, for example, as 1934881 + 383161 = 1391^2 + 619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2318047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7793 + ... + 8084.

2^2318042 is an apocalyptic number.

2318042 is a deficient number, since it is larger than the sum of its proper divisors (1206874).

2318042 is a wasteful number, since it uses less digits than its factorization.

2318042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15952.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2318042 is about 1522.5117405130. The cubic root of 2318042 is about 132.3448664975.

The spelling of 2318042 in words is "two million, three hundred eighteen thousand, forty-two".